BL tumor cells exhibited elevated expression of MGP (matrix Gla protein), AZGP1 (alpha-2-glycoprotein 1), AGR2 (anterior gradient protein 2), TFF3 (trefoil factor 3), and FGFR1 compared to EP and LP cells (Figs. 1G and S1C,D). This evidence concerns the gene FGFR1 and Burkitt lymphoma.